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koban [17]
2 years ago
7

If f(x)=3x+7, find: f(-2)= [?]

Mathematics
1 answer:
miv72 [106K]2 years ago
6 0

Answer:

1

Step-by-step explanation:

substitute -2 for x

3(-2) + 7

-6 + 7

1

hope it helps :)

mark brainliest!!

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3 years ago
What is the domain of the function y equals 2 square root of
Helga [31]

Answer:

Domain: x>=1

Step-by-step explanation:

what values of x make it work (square roots must be greater than or equal to zero)

sqrt (5x-5) >=0

square each side

5x-5 >=0

add 5 to each side

5x>=5

divide by 5 on each side

5x/5 >=5/5

x >=1


6 0
3 years ago
Find the area of the figure.
kherson [118]

Answer:

area = 164

Step-by-step explanation:

Divide the square into 2 pictures.

; Square 1 = 5×2 = 10

Square 2 = 14×11 (11 from 16-5 )

so, square 2 = 154

all of area = 154+10 = 164

hope it helps ☺️

5 0
2 years ago
A truck can be rented from Company A form ​$130 a day plus $0.30 per mile. Company B charges ​$50 a day plus $0.80 per mile to r
navik [9.2K]

Answer:

160 miles

Step-by-step explanation:

Company A form ​$130 a day plus $0.30 per mile

Company A = 130 + 0.30x

Company B charges ​$50 a day plus $0.80 per mile

Company B = 50 + 0.80x

Where,

x = number of miles

Equate the cost of company A and company B

130 + 0.30x = 50 + 0.80x

Collect like terms

130 - 50 = 0.80x - 0.30x

80 = 0.50x

Divide both sides by 0.50x

x = 80 / 0.50

= 160

x = 160 miles

The number of miles in a day at which the rental costs for Company A and Company B are the same is 160 miles

4 0
2 years ago
I don’t understand Please help!
AlekseyPX

Answer:

The answer is water.........

5 0
3 years ago
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